Cover case for a tablet



FIG. 1 is a rear elevational view of a cover case for a tablet, showing my new design;

FIG. 2 is a left side elevational left side elevational view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a rear perspective view thereof.

The broken lines in the drawings depict unclaimed portion of the case only and forms no part of the claimed design. 

CLAIM The ornamental design for a cover case for a tablet, as shown and described. 